d3613d15e5
The actual number of hidden children is not of interest here, only whether there is at least one, so stop iterating once the first hidden child is encountered. Change-Id: Ice1a7461d2bfd9d576109771cf93deb6a17ef975 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176930 Tested-by: Jenkins Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
197 lines
5.6 KiB
C++
197 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/toolkit/button.hxx>
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#include <vcl/layout.hxx>
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#include <bitmaps.hlst>
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#include <NotebookbarPopup.hxx>
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#include <PriorityHBox.hxx>
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#include <PriorityMergedHBox.hxx>
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#include <comphelper/lok.hxx>
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#define DUMMY_WIDTH 50
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#define BUTTON_WIDTH 30
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/*
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* PriorityMergedHBox is a VclHBox which hides its own children if there is no sufficient space.
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*/
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PriorityMergedHBox::PriorityMergedHBox(vcl::Window* pParent)
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: PriorityHBox(pParent)
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{
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m_pButton = VclPtr<PushButton>::Create(this, WB_FLATBUTTON);
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m_pButton->SetClickHdl(LINK(this, PriorityMergedHBox, PBClickHdl));
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m_pButton->SetModeImage(Image(StockImage::Yes, CHEVRON));
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m_pButton->set_width_request(25);
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m_pButton->set_pack_type(VclPackType::End);
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m_pButton->Show();
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}
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void PriorityMergedHBox::Resize()
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{
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if (comphelper::LibreOfficeKit::isActive())
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return VclHBox::Resize();
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if (!m_bInitialized)
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Initialize();
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if (!m_bInitialized)
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{
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return VclHBox::Resize();
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}
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tools::Long nWidth = GetSizePixel().Width();
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tools::Long nCurrentWidth = VclHBox::calculateRequisition().getWidth() + BUTTON_WIDTH;
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// Hide lower priority controls
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for (int i = GetChildCount() - 1; i >= 0; i--)
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{
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vcl::Window* pWindow = GetChild(i);
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if (nCurrentWidth <= nWidth)
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break;
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if (pWindow && pWindow->GetParent() == this && pWindow->IsVisible())
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{
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tools::Long nWindowWidth = pWindow->GetOutputSizePixel().Width();
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if (!nWindowWidth)
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nWindowWidth = getLayoutRequisition(*pWindow).Width() + get_spacing();
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if (nWindowWidth)
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nCurrentWidth -= nWindowWidth;
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else
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nCurrentWidth -= DUMMY_WIDTH;
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pWindow->Hide();
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}
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}
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// Show higher priority controls if we already have enough space
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for (int i = 0; i < GetChildCount(); i++)
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{
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vcl::Window* pWindow = GetChild(i);
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if (pWindow->GetParent() != this)
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{
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continue;
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}
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if (pWindow && !pWindow->IsVisible())
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{
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pWindow->Show();
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nCurrentWidth += getLayoutRequisition(*pWindow).Width() + get_spacing();
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if (nCurrentWidth > nWidth)
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{
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pWindow->Hide();
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break;
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}
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}
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}
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VclHBox::Resize();
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if (HasHiddenChildren())
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m_pButton->Show();
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else
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m_pButton->Hide();
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}
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void PriorityMergedHBox::dispose()
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{
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m_pButton.disposeAndClear();
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if (m_pPopup)
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m_pPopup.disposeAndClear();
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PriorityHBox::dispose();
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}
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bool PriorityMergedHBox::HasHiddenChildren() const
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{
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for (int i = GetChildCount() - 1; i >= 0; i--)
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{
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vcl::Window* pWindow = GetChild(i);
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if (pWindow && pWindow->GetParent() == this && !pWindow->IsVisible())
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return true;
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}
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return false;
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}
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Size PriorityMergedHBox::calculateRequisition() const
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{
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if (!m_bInitialized)
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{
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return VclHBox::calculateRequisition();
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}
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sal_uInt16 nVisibleChildren = 0;
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Size aSize;
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// find max height and total width
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for (vcl::Window* pChild = GetWindow(GetWindowType::FirstChild); pChild;
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pChild = pChild->GetWindow(GetWindowType::Next))
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{
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Size aChildSize = getLayoutRequisition(*pChild);
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if (!pChild->IsVisible())
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setPrimaryDimension(aChildSize, 0);
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else
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{
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++nVisibleChildren;
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tools::Long nPrimaryDimension = getPrimaryDimension(aChildSize);
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nPrimaryDimension += pChild->get_padding() * 2;
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setPrimaryDimension(aChildSize, nPrimaryDimension);
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}
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accumulateMaxes(aChildSize, aSize);
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}
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return finalizeMaxes(aSize, nVisibleChildren);
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}
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IMPL_LINK(PriorityMergedHBox, PBClickHdl, Button*, /*pButton*/, void)
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{
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if (m_pPopup)
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m_pPopup.disposeAndClear();
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m_pPopup = VclPtr<NotebookbarPopup>::Create(this);
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for (int i = 0; i < GetChildCount(); i++)
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{
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vcl::Window* pWindow = GetChild(i);
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if (pWindow != m_pButton)
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{
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if (!pWindow->IsVisible())
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{
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pWindow->Show();
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pWindow->SetParent(m_pPopup->getBox());
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// count is decreased because we moved child
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i--;
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}
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}
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}
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m_pPopup->hideSeparators(true);
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tools::Long x = m_pButton->GetPosPixel().getX();
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tools::Long y = m_pButton->GetPosPixel().getY() + GetSizePixel().Height();
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tools::Rectangle aRect(x, y, x, y);
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m_pPopup->StartPopupMode(aRect, FloatWinPopupFlags::Down | FloatWinPopupFlags::GrabFocus
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| FloatWinPopupFlags::AllMouseButtonClose);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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